package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.domain.*;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {

    @Autowired
    private SetmealService setmealService;

    @Autowired
    private SetmealDishService setmealDishService;

    @Autowired
    private CategoryService categoryService;

    /*@GetMapping("/page")
    public R<Page> page(int page,int pageSize){

        Page<Setmeal> pageInfo =new Page<>(page,page);

        LambdaQueryWrapper<Setmeal> lqw=new LambdaQueryWrapper<>();

        lqw.orderByAsc(Setmeal::getId);

        setmealService.page(pageInfo,lqw);

        return R.success(pageInfo);
    }*/

    /**
     * 新增套餐
     * @param setmealDto
     * @return
     */
    @PostMapping
    @CacheEvict(value = "setmealCache",allEntries = true)//清除setmealCache名称下,所有的缓存数据
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info("套餐信息：{}",setmealDto);

        setmealService.saveWithDish(setmealDto);

        return R.success("新增套餐成功");
    }

    @GetMapping("/page")
    @Cacheable(value = "setmealCache",key = "#page + '' + #pageSize + '' + #name")
    public R<Page> page(int page,int pageSize,String name){
        //分页构造器对象
        Page<Setmeal> pageInfo = new Page<>();
        Page<SetmealDto> dtoPage=new Page<>();
        LambdaQueryWrapper<Setmeal> queryWrapper=new LambdaQueryWrapper<>();
        //添加查询条件，根据name进行like模糊查询
        queryWrapper.like(name !=null,Setmeal::getName,name);
        //添加排序条件，根据更新时间降序排列
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map((item)->{
            SetmealDto setmealDto=new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item,setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if (category != null){
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);
        return R.success(dtoPage);

    }

    /**
     * 删除套餐
     * @param ids
     * @return
     */
    @DeleteMapping
    @CacheEvict(value = "setmealCache",allEntries = true)//清除setmealCache名称下,所有的缓存数据
    public R<String> delete(@RequestParam List<Long> ids){
        log.info("ids:{}",ids);
        setmealService.removeWithDish(ids);
        return R.success("套餐数据删除成功");
    }

    /**
     * 根据条件查询套餐数据
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    @Cacheable(value = "setmealCache",key = "#setmeal.categoryId + '_' + #setmeal.status")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }
    //启售停售
    @PostMapping("status/{status}")
    @CacheEvict(value = "setmealCache",allEntries = true)//清除setmealCache名称下,所有的缓存数据
    public R<String> status(@PathVariable int status,@RequestParam List<Long> ids ){
        log.info("ids{}",ids);
        LambdaQueryWrapper<Setmeal> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.in(Setmeal::getId,ids);
        List<Setmeal> list = setmealService.list(queryWrapper);

        list.stream().forEach(x->x.setStatus(status));
        setmealService.updateBatchById(list);

        return R.success("古德拜");
    }
    //修改套餐
    @GetMapping("{id}")
    @CacheEvict(value = "setmealCache",allEntries = true)
    public R<SetmealDto> getById(@PathVariable Long id){
        log.info("id={}",id);
        SetmealDto setmealDto=new SetmealDto();
        //获取前端套餐id和数据库id比较
        LambdaQueryWrapper<SetmealDish> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(SetmealDish::getSetmealId,id);
        //获取套餐里面的菜品id
        List<SetmealDish> list = setmealDishService.list(queryWrapper);
        //在获取套餐的id
        Setmeal setmealId = setmealService.getById(id);
        //套餐表的东西赋值给dto表
        BeanUtils.copyProperties(setmealId,setmealDto);
        //套餐里面的菜品赋值给dto里面的套餐集合
        setmealDto.setSetmealDishes(list);
        //返回dto对象
        return R.success(setmealDto);


    }



}
